This ECT eT 30P Kit is combined by a 2200mah eT 30P battery and a Fog Mini atomizer with 2.5ml liquid capacity. The Fog Mini atomizer by ECT is convenient to refill liquid from the top and easy to clean since all its parts can be detachable. The eT 30P battery can be adjusted from 10w to 30w with 10w increments. It has several color availble.